Document 6bwvr30n80DZ0ery2DyRYar7R

7 msawm Bo. 111"2!\>5 Sabjects Sasic Lead fi IXco GUroouiCe Pi^ssuca j i For: MrA, ELchb-off Date; Jsily *i2, 1*3 jy Au/. 4n~#<C~&4 Af Hr, Z>.'aors9io'-3 request vra prepared a series f 'Sasic Lead Sillcu Shronats pigjiectc. ?. each case the lead oxide sod chroeium oxide content was Laid at the. saaaa ratio as H50 and S25. Cltr&iiTie silica is the ease cs in S2;i. Silica content was the single variaoie vaxsini, Szasi 50 to 93S by weight. -,,l? of: cr^.ch i-:iyr-'cet ucre prepared. tbe a pst ire > you icur j our uric r*.r;*.i cut: t e.iar c* 1 r ?:. c 1 ' " u t ion, Tie ss ' tr ,,f /"i V Pij.T.v-.rit auD o;.aeceibee at follows: l.'Tfj; v l .v w C - 4 ; 7 - _V/ Ol O'V '60 Pigastst Lot v3 OS5 jj c 4 ,vi/v;W*'>r-V " 501 S0? TO Pi.gEBElt Lot 7766 D.2?. 417"4?-*54 -. 7 OX SiO> SO Fig'i'Kt Lot 71166 * D.P. 417-47-54- - BOX 90 Pi^ts nt. Lot 71366 * D.P. 417-4/-54 90% SS-O^ ggapar. atlou - Made rith 'cr.a Glas 0 Sanei. Co,. ''a 5 2' katl.0 5 ,;b0 D'O-i (a oles) SiO;- car; ion:t (total >5 by woig .'it Pf S' i td. ut. rial va xorat'd in a glas 0j jiasy>ij :3 a .!5 :li raillu d ,, ,.,hL LfcAL. v_wM,-. N 27319